CriticalFix available
Red Hat Security Advisory: webkit2gtk3 security, bug fix, and enhancement update
Type: advisorySources: OSV
- Products
- webkit2gtk3, webkit2gtk3-debuginfo, webkit2gtk3-debugsource, webkit2gtk3-devel, webkit2gtk3-devel-debuginfo, webkit2gtk3-jsc, webkit2gtk3-jsc-debuginfo, webkit2gtk3-jsc-devel, webkit2gtk3-jsc-devel-debuginfo
- Affected versions
- Not specified
- Fixed versions
- 0:2.54.1-1.el9_8
- CVEs
- CVE-2026-87500, CVE-2026-87512, CVE-2026-87586, CVE-2026-87596, CVE-2026-87602, CVE-2026-87604, CVE-2026-87621, CVE-2026-87648, CVE-2026-87654, CVE-2026-91720, CVE-2026-91738
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 09:33 UTC · Revision 1
Source evidence
Red Hat Security Advisory: webkit2gtk3 security, bug fix, and enhancement update
core-osv · Original sourcePublished 19 Oct 2026, 10:08 UTC
Red Hat Security Advisory: webkit2gtk3 security, bug fix, and enhancement update
osv:RHSA-2026:84583
webkit2gtk3
Fixed versions: 0:2.54.1-1.el9_8
webkit2gtk3-debuginfo
Fixed versions: 0:2.54.1-1.el9_8
webkit2gtk3-debugsource
Fixed versions: 0:2.54.1-1.el9_8
webkit2gtk3-devel
Fixed versions: 0:2.54.1-1.el9_8
webkit2gtk3-devel-debuginfo
Fixed versions: 0:2.54.1-1.el9_8
webkit2gtk3-jsc
Fixed versions: 0:2.54.1-1.el9_8
webkit2gtk3-jsc-debuginfo
Fixed versions: 0:2.54.1-1.el9_8
webkit2gtk3-jsc-devel
Fixed versions: 0:2.54.1-1.el9_8
webkit2gtk3-jsc-devel-debuginfo
Fixed versions: 0:2.54.1-1.el9_8
Complete source record
{
"id": "f642257893549d60885c2d43673082d8d7d42c6ed7fb7918aeef525154472c2d",
"url": "https://osv.dev/vulnerability/RHSA-2026%3A84583",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Red Hat Security Advisory: webkit2gtk3 security, bug fix, and enhancement update",
"summary": "Red Hat Security Advisory: webkit2gtk3 security, bug fix, and enhancement update",
"evidence": "osv:RHSA-2026:84583",
"products": [
{
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},
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{
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"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
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{
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{
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{
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{
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"affected_versions": []
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{
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"evidence": "/affected/5/package/name"
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{
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"affected_versions": []
},
{
"name": {
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"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:2.54.1-1.el9_8",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "webkit2gtk3-jsc-devel-debuginfo",
"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:2.54.1-1.el9_8",
"evidence": "/affected/8/ranges"
}
],
"affected_versions": []
}
],
"severity": "critical",
"structured": {
"id": "RHSA-2026:84583",
"aliases": [
"RHSA-2026:84583"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H"
}
],
"affected": [
{
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"events": [
{
"introduced": "0"
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{
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}
],
"package": {
"name": "webkit2gtk3",
"purl": "pkg:rpm/redhat/webkit2gtk3",
"ecosystem": "Red Hat:enterprise_linux:9::appstream"
},
"database_specific": {
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},
{
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"package": {
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"purl": "pkg:rpm/redhat/webkit2gtk3-debuginfo",
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"package": {
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"package": {
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"package": {
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"purl": "pkg:rpm/redhat/webkit2gtk3-devel-debuginfo",
"ecosystem": "Red Hat:enterprise_linux:9::appstream"
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],
"package": {
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"purl": "pkg:rpm/redhat/webkit2gtk3-jsc",
"ecosystem": "Red Hat:enterprise_linux:9::appstream"
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],
"package": {
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"purl": "pkg:rpm/redhat/webkit2gtk3-jsc-debuginfo",
"ecosystem": "Red Hat:enterprise_linux:9::appstream"
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{
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"package": {
"name": "webkit2gtk3-jsc-devel",
"purl": "pkg:rpm/redhat/webkit2gtk3-jsc-devel",
"ecosystem": "Red Hat:enterprise_linux:9::appstream"
},
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}
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],
"package": {
"name": "webkit2gtk3-jsc-devel-debuginfo",
"purl": "pkg:rpm/redhat/webkit2gtk3-jsc-devel-debuginfo",
"ecosystem": "Red Hat:enterprise_linux:9::appstream"
},
"database_specific": {
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}
],
"modified": "2026-10-20T10:17:35Z",
"provider": "osv",
"upstream": [
"CVE-2026-87500",
"CVE-2026-87512",
"CVE-2026-87586",
"CVE-2026-87596",
"CVE-2026-87602",
"CVE-2026-87604",
"CVE-2026-87621",
"CVE-2026-87648",
"CVE-2026-87654",
"CVE-2026-91720",
"CVE-2026-91738"
],
"references": [
"https://access.redhat.com/errata/RHSA-2026:84583",
"https://access.redhat.com/security/updates/classification/#critical",
"https://bugzilla.redhat.com/show_bug.cgi?id=2530272",
"https://bugzilla.redhat.com/show_bug.cgi?id=2530296",
"https://bugzilla.redhat.com/show_bug.cgi?id=2530305",
"https://bugzilla.redhat.com/show_bug.cgi?id=2530333",
"https://bugzilla.redhat.com/show_bug.cgi?id=2530389",
"https://bugzilla.redhat.com/show_bug.cgi?id=2530396",
"https://bugzilla.redhat.com/show_bug.cgi?id=2530447",
"https://bugzilla.redhat.com/show_bug.cgi?id=2530458",
"https://bugzilla.redhat.com/show_bug.cgi?id=2530475",
"https://bugzilla.redhat.com/show_bug.cgi?id=2534404",
"https://bugzilla.redhat.com/show_bug.cgi?id=2534673",
"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_84583.json",
"https://access.redhat.com/security/cve/CVE-2026-87500",
"https://www.cve.org/CVERecord?id=CVE-2026-87500",
"https://nvd.nist.gov/vuln/detail/CVE-2026-87500",
"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html",
"https://issues.chromium.org/issues/540019091",
"https://access.redhat.com/security/cve/CVE-2026-87512",
"https://www.cve.org/CVERecord?id=CVE-2026-87512",
"https://nvd.nist.gov/vuln/detail/CVE-2026-87512",
"https://issues.chromium.org/issues/541715128",
"https://access.redhat.com/security/cve/CVE-2026-87586",
"https://www.cve.org/CVERecord?id=CVE-2026-87586",
"https://nvd.nist.gov/vuln/detail/CVE-2026-87586",
"https://issues.chromium.org/issues/536598187",
"https://access.redhat.com/security/cve/CVE-2026-87596",
"https://www.cve.org/CVERecord?id=CVE-2026-87596",
"https://nvd.nist.gov/vuln/detail/CVE-2026-87596",
"https://issues.chromium.org/issues/536434693",
"https://access.redhat.com/security/cve/CVE-2026-87602",
"https://www.cve.org/CVERecord?id=CVE-2026-87602",
"https://nvd.nist.gov/vuln/detail/CVE-2026-87602",
"https://issues.chromium.org/issues/541546782",
"https://access.redhat.com/security/cve/CVE-2026-87604",
"https://www.cve.org/CVERecord?id=CVE-2026-87604",
"https://nvd.nist.gov/vuln/detail/CVE-2026-87604",
"https://issues.chromium.org/issues/536648007",
"https://access.redhat.com/security/cve/CVE-2026-87621",
"https://www.cve.org/CVERecord?id=CVE-2026-87621",
"https://nvd.nist.gov/vuln/detail/CVE-2026-87621",
"https://issues.chromium.org/issues/536664909",
"https://access.redhat.com/security/cve/CVE-2026-87648",
"https://www.cve.org/CVERecord?id=CVE-2026-87648",
"https://nvd.nist.gov/vuln/detail/CVE-2026-87648",
"https://issues.chromium.org/issues/513048243",
"https://access.redhat.com/security/cve/CVE-2026-87654",
"https://www.cve.org/CVERecord?id=CVE-2026-87654",
"https://nvd.nist.gov/vuln/detail/CVE-2026-87654",
"https://issues.chromium.org/issues/536444790",
"https://access.redhat.com/security/cve/CVE-2026-91720",
"https://www.cve.org/CVERecord?id=CVE-2026-91720",
"https://nvd.nist.gov/vuln/detail/CVE-2026-91720",
"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0541751186.html",
"https://issues.chromium.org/issues/523470135",
"https://access.redhat.com/security/cve/CVE-2026-91738",
"https://www.cve.org/CVERecord?id=CVE-2026-91738",
"https://nvd.nist.gov/vuln/detail/CVE-2026-91738",
"https://issues.chromium.org/issues/536450979"
]
},
"related_cves": [
{
"value": "CVE-2026-87500",
"evidence": "/upstream"
},
{
"value": "CVE-2026-87512",
"evidence": "/upstream"
},
{
"value": "CVE-2026-87586",
"evidence": "/upstream"
},
{
"value": "CVE-2026-87596",
"evidence": "/upstream"
},
{
"value": "CVE-2026-87602",
"evidence": "/upstream"
},
{
"value": "CVE-2026-87604",
"evidence": "/upstream"
},
{
"value": "CVE-2026-87621",
"evidence": "/upstream"
},
{
"value": "CVE-2026-87648",
"evidence": "/upstream"
},
{
"value": "CVE-2026-87654",
"evidence": "/upstream"
},
{
"value": "CVE-2026-91720",
"evidence": "/upstream"
},
{
"value": "CVE-2026-91738",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 379046,
"published_at": "2026-10-19T10:08:01+00:00"
}